package com.kongjs.common.rest.advice;


import com.kongjs.common.rest.annotation.JsonIgnoreBody;
import com.kongjs.common.rest.annotation.Rest;
import com.kongjs.common.rest.model.vo.R;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@RestControllerAdvice(annotations = Rest.class)
public class GlobalRestResponseAdvice implements ResponseBodyAdvice<Object> {
    @Override
    public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
        return AbstractJackson2HttpMessageConverter.class.isAssignableFrom(converterType) && !returnType.hasMethodAnnotation(JsonIgnoreBody.class);
    }

    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
        if (body instanceof R) {
            return body;
        }
        R r = R.r().code(0).message("Success");
        return body == null ? r : r.data(body);
    }
}
